Silva put United ahead in the eighth minute when he collected John Thorrington's through-ball and drove a dipping effort past a diving Shuttleworth from 25 yards.

D.C.'s Kyle Porter left the match in the 59th minute after he appeared to injure his lower back. United's Dwayne De Rosario entered as a 66th-minute sub after missing United's past three matches with a hip flexor injury.

New England's Kevin Allston came on in the 84th minute to make his first appearance since March 30th and since being diagnosed with leukemia.